You are saying set "ceph osd set norebalance" before running ceph-ansible playbook to add OSD once osd visible in "ceph osd tree" then i should do reweight to 0 and then do "ceph osd unset norebalance" On Tue, Oct 1, 2019 at 2:41 PM Paul Mezzanini <pfmeec@xxxxxxx> wrote: > > You could also: > ceph osd set norebalance > > > -- > Paul Mezzanini > Sr Systems Administrator / Engineer, Research Computing > Information & Technology Services > Finance & Administration > Rochester Institute of Technology > o:(585) 475-3245 | pfmeec@xxxxxxx > > CONFIDENTIALITY NOTE: The information transmitted, including attachments, is > intended only for the person(s) or entity to which it is addressed and may > contain confidential and/or privileged material. Any review, retransmission, > dissemination or other use of, or taking of any action in reliance upon this > information by persons or entities other than the intended recipient is > prohibited. If you received this in error, please contact the sender and > destroy any copies of this information. > ------------------------ > > ________________________________________ > From: ceph-users <ceph-users-bounces@xxxxxxxxxxxxxx> on behalf of Satish Patel <satish.txt@xxxxxxxxx> > Sent: Tuesday, October 1, 2019 2:34 PM > To: ceph-users > Subject: how to set osd_crush_initial_weight 0 without restart any service > > Folks, > > Method: 1 > > In my lab i am playing with ceph and trying to understand how to add > new OSD without starting rebalancing. > > I want to add this option on fly so i don't need to restart any > services or anything. > > $ ceph tell mon.* injectargs '--osd_crush_initial_weight 0' > > $ ceph daemon /var/run/ceph/ceph-mon.*.asok config show | grep > osd_crush_initial_weight > "osd_crush_initial_weight": "0.000000", > > All looks good, now i am adding OSD with ceph-ansible and you know > what look like it don't honer that option and adding OSD with default > weight (In my case i have 1.9TB SSD so weight is 1.7) > > Can someone confirm injectargs work with osd_crush_initial_weight ? > > > Method: 2 > > Now i have added that option in ceph-ansible playbook like following > > ceph_conf_overrides: > osd: > osd_crush_initial_weight: 0 > > and i run playbook and it did magic and added OSD with weight zero (0) > but i have notice it restarted all OSD daemon on that node, i am > worried is it safe to restart osd daemon on ceph in production? > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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